public static BirthDatePropertyType GetInstance() { if (_instance == null) { _instance = new BirthDatePropertyType(); } return(_instance); }
public IEnumerable <IProperty> GetProperties() { if (properties == null) { properties = new List <IProperty> { ActorIdPropertyType.GetInstance(), BirthDatePropertyType.GetInstance(), LastNamePropertyType.GetInstance(), NamePropertyType.GetInstance(), }; } return(properties); }